Sonoma State Historic Park Weather Forecast

    • 32
    • 60

    Sunny

    • 34
    • 59

    Mostly Sunny

    • 35
    • 56

    Partly Sunny

    • 38
    • 55

    Mostly Cloudy

    • 44
    • 52

    Rain Likely

    • 46
    • 56

    Chance Rain

    • 44
    • 58

    Chance Rain

Today 27 Jan North Bay Interior Valleys

Sunny. Highs in the upper 50s to mid 60s. West Winds around 5 Mph.

Tonight 27 Jan North Bay Interior Valleys

Mostly clear. Areas of frost after midnight. Lows in the 30s to lower 40s. Northwest Winds up to 5 Mph in the evening. Becoming light.

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Sonoma State Historic Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 21 January, 2025

    26.6 °F

  • Average January

    47.4 °F

  • Highest 7 January, 2025

    68 °F

Climate (2020–Present)

Petaluma Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    69.7 °F
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